Mobile File Transfer is not available unless you purchase a subscription. The offer will begin immediately after purchasing a subscription. Mobile File Transfer is a subscription-based application. Upon initial registration, after your free trial period of 1 month, a fee per month will be charged to your Apple ID. The next date to be charged for this application can be found in your account settings on the App Store. If it is during the free trial period, you will be charged on the renewal date. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled 24 hours before the end of the current period, and you will continue to be charged. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Regarding purchase conditions, refer to this app's page in the App Store. https://itunes.apple.com/app/id1471278935